java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/forester-heap/sll-reverse_simple.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 03:47:29,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 03:47:29,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 03:47:29,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 03:47:29,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 03:47:29,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 03:47:29,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 03:47:29,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 03:47:29,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 03:47:29,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 03:47:29,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 03:47:29,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 03:47:29,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 03:47:29,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 03:47:29,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 03:47:29,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 03:47:29,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 03:47:29,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 03:47:29,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 03:47:29,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 03:47:29,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 03:47:29,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 03:47:29,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 03:47:29,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 03:47:29,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 03:47:29,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 03:47:29,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 03:47:29,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 03:47:29,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 03:47:29,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 03:47:29,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 03:47:29,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 03:47:29,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 03:47:29,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 03:47:29,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 03:47:29,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 03:47:29,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 03:47:29,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 03:47:29,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 03:47:29,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 03:47:29,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 03:47:29,817 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-31 03:47:29,834 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 03:47:29,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 03:47:29,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 03:47:29,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 03:47:29,836 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 03:47:29,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 03:47:29,837 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 03:47:29,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 03:47:29,837 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 03:47:29,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 03:47:29,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 03:47:29,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 03:47:29,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 03:47:29,838 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 03:47:29,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 03:47:29,839 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 03:47:29,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 03:47:29,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 03:47:29,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 03:47:29,839 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 03:47:29,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 03:47:29,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:47:29,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 03:47:29,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 03:47:29,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 03:47:29,841 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 03:47:29,841 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 03:47:29,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 03:47:29,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 03:47:29,870 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 03:47:29,882 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 03:47:29,886 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 03:47:29,887 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 03:47:29,888 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 03:47:29,889 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-reverse_simple.i [2019-08-31 03:47:29,947 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac47b2a0e/6e199da77e9f40198598b45715b7d896/FLAG615bbf746 [2019-08-31 03:47:30,472 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 03:47:30,473 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-reverse_simple.i [2019-08-31 03:47:30,486 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac47b2a0e/6e199da77e9f40198598b45715b7d896/FLAG615bbf746 [2019-08-31 03:47:30,784 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac47b2a0e/6e199da77e9f40198598b45715b7d896 [2019-08-31 03:47:30,795 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 03:47:30,796 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 03:47:30,797 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 03:47:30,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 03:47:30,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 03:47:30,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:47:30" (1/1) ... [2019-08-31 03:47:30,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16ef5e6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:30, skipping insertion in model container [2019-08-31 03:47:30,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:47:30" (1/1) ... [2019-08-31 03:47:30,813 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 03:47:30,856 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 03:47:31,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:47:31,292 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 03:47:31,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:47:31,408 INFO L192 MainTranslator]: Completed translation [2019-08-31 03:47:31,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:31 WrapperNode [2019-08-31 03:47:31,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 03:47:31,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 03:47:31,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 03:47:31,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 03:47:31,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:31" (1/1) ... [2019-08-31 03:47:31,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:31" (1/1) ... [2019-08-31 03:47:31,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:31" (1/1) ... [2019-08-31 03:47:31,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:31" (1/1) ... [2019-08-31 03:47:31,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:31" (1/1) ... [2019-08-31 03:47:31,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:31" (1/1) ... [2019-08-31 03:47:31,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:31" (1/1) ... [2019-08-31 03:47:31,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 03:47:31,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 03:47:31,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 03:47:31,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 03:47:31,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:47:31,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 03:47:31,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 03:47:31,568 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 03:47:31,568 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-31 03:47:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-31 03:47:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-31 03:47:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-31 03:47:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-31 03:47:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-31 03:47:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-31 03:47:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-31 03:47:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-31 03:47:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-31 03:47:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-31 03:47:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-31 03:47:31,571 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-31 03:47:31,571 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-31 03:47:31,571 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-31 03:47:31,571 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-31 03:47:31,571 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-31 03:47:31,571 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-31 03:47:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-31 03:47:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-31 03:47:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-31 03:47:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-31 03:47:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-31 03:47:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-31 03:47:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-31 03:47:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-31 03:47:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-31 03:47:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-31 03:47:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-31 03:47:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-31 03:47:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-31 03:47:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-31 03:47:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-31 03:47:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-31 03:47:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-31 03:47:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-31 03:47:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-31 03:47:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-31 03:47:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-31 03:47:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-31 03:47:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-31 03:47:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-31 03:47:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-31 03:47:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-31 03:47:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-31 03:47:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-31 03:47:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-31 03:47:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-31 03:47:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-31 03:47:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-31 03:47:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-31 03:47:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-31 03:47:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-31 03:47:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-31 03:47:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-31 03:47:31,578 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-31 03:47:31,578 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-31 03:47:31,578 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-31 03:47:31,578 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-31 03:47:31,578 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-31 03:47:31,578 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-31 03:47:31,578 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-31 03:47:31,579 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-31 03:47:31,579 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-31 03:47:31,579 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-31 03:47:31,579 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-31 03:47:31,579 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-31 03:47:31,579 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-31 03:47:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-31 03:47:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-31 03:47:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-31 03:47:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-31 03:47:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-31 03:47:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-31 03:47:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-31 03:47:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-31 03:47:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-31 03:47:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-31 03:47:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-31 03:47:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-31 03:47:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-31 03:47:31,582 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-31 03:47:31,582 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-31 03:47:31,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-31 03:47:31,582 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-31 03:47:31,582 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-31 03:47:31,582 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-31 03:47:31,583 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-31 03:47:31,583 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-31 03:47:31,583 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-31 03:47:31,583 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-31 03:47:31,583 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-31 03:47:31,583 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-31 03:47:31,583 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-31 03:47:31,584 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-31 03:47:31,584 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-31 03:47:31,584 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-31 03:47:31,584 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-31 03:47:31,584 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-31 03:47:31,584 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-31 03:47:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-31 03:47:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-31 03:47:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-31 03:47:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-31 03:47:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 03:47:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 03:47:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-31 03:47:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-31 03:47:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 03:47:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-31 03:47:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 03:47:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 03:47:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 03:47:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 03:47:32,181 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 03:47:32,182 INFO L283 CfgBuilder]: Removed 11 assume(true) statements. [2019-08-31 03:47:32,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:47:32 BoogieIcfgContainer [2019-08-31 03:47:32,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 03:47:32,184 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 03:47:32,184 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 03:47:32,184 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 03:47:32,186 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:47:32" (1/1) ... [2019-08-31 03:47:32,222 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-08-31 03:47:32,222 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 03:47:32,230 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 03:47:32,239 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 03:47:32,240 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 03:47:32,327 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-31 03:47:32,328 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:32,347 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:32,347 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:47:32,348 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-31 03:47:32,383 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-08-31 03:47:32,456 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:32,645 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2019-08-31 03:47:32,645 INFO L567 ElimStorePlain]: treesize reduction 9, result has 92.7 percent of original size [2019-08-31 03:47:32,647 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:32,648 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:114 [2019-08-31 03:47:32,675 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_9|, |v_#memory_int_10|], 6=[|v_#memory_$Pointer$.base_27|, |v_#memory_$Pointer$.offset_27|]} [2019-08-31 03:47:32,692 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:33,167 WARN L188 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-08-31 03:47:33,168 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:33,176 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:33,655 WARN L188 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-08-31 03:47:33,656 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:33,664 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:33,951 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-08-31 03:47:33,951 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:33,963 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:34,215 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-08-31 03:47:34,216 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:34,218 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:34,218 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:249, output treesize:234 [2019-08-31 03:47:34,262 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:47:34,288 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_10|], 6=[|v_#memory_int_9|], 16=[|v_#memory_$Pointer$.base_28|, |v_#memory_$Pointer$.offset_28|]} [2019-08-31 03:47:34,327 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:34,369 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:40,161 WARN L188 SmtUtils]: Spent 5.79 s on a formula simplification that was a NOOP. DAG size: 177 [2019-08-31 03:47:40,162 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:40,184 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:40,229 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:46,949 WARN L188 SmtUtils]: Spent 6.72 s on a formula simplification that was a NOOP. DAG size: 173 [2019-08-31 03:47:46,950 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:47,019 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:47,041 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:51,838 WARN L188 SmtUtils]: Spent 4.80 s on a formula simplification that was a NOOP. DAG size: 166 [2019-08-31 03:47:51,839 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:51,857 INFO L496 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:51,905 INFO L496 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:57,133 WARN L188 SmtUtils]: Spent 5.23 s on a formula simplification that was a NOOP. DAG size: 159 [2019-08-31 03:47:57,134 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:57,138 INFO L496 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 4 dim-2 vars, End of recursive call: 15 dim-0 vars, and 2 xjuncts. [2019-08-31 03:47:57,138 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 11 variables, input treesize:609, output treesize:673 [2019-08-31 03:47:57,320 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_12|], 1=[|v_#valid_19|]} [2019-08-31 03:47:57,332 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-31 03:47:57,332 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:57,427 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:57,447 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2019-08-31 03:47:57,447 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:57,537 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:57,539 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_29|, |v_#memory_$Pointer$.base_29|, |v_#memory_int_31|], 2=[|v_#memory_int_9|, |v_#memory_int_10|]} [2019-08-31 03:47:57,552 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:47:57,628 INFO L341 Elim1Store]: treesize reduction 33, result has 55.4 percent of original size [2019-08-31 03:47:57,628 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 48 [2019-08-31 03:47:57,629 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:57,848 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-08-31 03:47:57,849 INFO L567 ElimStorePlain]: treesize reduction 23, result has 85.2 percent of original size [2019-08-31 03:47:57,860 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:47:57,914 INFO L341 Elim1Store]: treesize reduction 33, result has 55.4 percent of original size [2019-08-31 03:47:57,914 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 48 [2019-08-31 03:47:57,915 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:58,065 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-08-31 03:47:58,066 INFO L567 ElimStorePlain]: treesize reduction 16, result has 88.7 percent of original size [2019-08-31 03:47:58,076 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2019-08-31 03:47:58,076 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:58,138 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:58,146 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2019-08-31 03:47:58,147 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:58,209 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:58,219 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-08-31 03:47:58,219 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:58,270 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:58,271 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 03:47:58,272 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:47:58,275 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 5 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:47:58,276 INFO L221 ElimStorePlain]: Needed 8 recursive calls to eliminate 9 variables, input treesize:153, output treesize:50 [2019-08-31 03:47:58,360 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:47:58,385 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:47:58,388 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:47:58,389 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:47:58,413 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 51 [2019-08-31 03:47:58,414 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:58,419 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 51 [2019-08-31 03:47:58,420 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:58,455 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:58,461 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 32 [2019-08-31 03:47:58,462 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:58,480 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 32 [2019-08-31 03:47:58,481 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:58,503 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:58,510 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2019-08-31 03:47:58,511 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:58,516 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2019-08-31 03:47:58,516 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:58,537 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:58,538 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-31 03:47:58,538 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:141, output treesize:57 [2019-08-31 03:47:58,542 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:47:58,551 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_13|], 1=[|v_#valid_20|]} [2019-08-31 03:47:58,593 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 179 [2019-08-31 03:47:58,594 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:58,633 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 179 [2019-08-31 03:47:58,634 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:59,489 WARN L188 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-08-31 03:47:59,489 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:59,529 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 176 [2019-08-31 03:47:59,530 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:59,577 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 176 [2019-08-31 03:47:59,577 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 03:48:00,108 WARN L188 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-08-31 03:48:00,109 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:48:00,110 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_17|, |v_#memory_int_18|, |v_#memory_int_33|], 6=[|v_#memory_$Pointer$.base_31|, |v_#memory_$Pointer$.offset_31|]} [2019-08-31 03:48:00,119 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:48:00,136 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:48:00,898 WARN L188 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-08-31 03:48:00,898 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:48:00,911 INFO L496 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:48:00,923 INFO L496 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:48:01,488 WARN L188 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-08-31 03:48:01,488 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:48:01,518 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:48:01,534 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:48:01,751 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-08-31 03:48:01,752 INFO L341 Elim1Store]: treesize reduction 20, result has 86.8 percent of original size [2019-08-31 03:48:01,752 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 162 treesize of output 270 [2019-08-31 03:48:01,754 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-08-31 03:48:01,769 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:48:01,773 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:48:01,778 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:48:01,783 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:48:01,832 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:48:01,833 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 162 treesize of output 214 [2019-08-31 03:48:01,835 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-08-31 03:48:02,445 WARN L188 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 91 [2019-08-31 03:48:02,445 INFO L567 ElimStorePlain]: treesize reduction 114, result has 76.2 percent of original size [2019-08-31 03:48:02,467 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:48:02,496 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:48:02,546 INFO L341 Elim1Store]: treesize reduction 25, result has 40.5 percent of original size [2019-08-31 03:48:02,547 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 173 treesize of output 155 [2019-08-31 03:48:02,548 INFO L496 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2019-08-31 03:48:02,560 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:48:02,633 INFO L341 Elim1Store]: treesize reduction 33, result has 55.4 percent of original size [2019-08-31 03:48:02,634 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 191 treesize of output 196 [2019-08-31 03:48:02,636 INFO L496 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2019-08-31 03:48:03,043 WARN L188 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-08-31 03:48:03,044 INFO L567 ElimStorePlain]: treesize reduction 16, result has 95.4 percent of original size [2019-08-31 03:48:03,056 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:48:03,096 INFO L341 Elim1Store]: treesize reduction 25, result has 40.5 percent of original size [2019-08-31 03:48:03,097 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 152 treesize of output 134 [2019-08-31 03:48:03,098 INFO L496 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2019-08-31 03:48:03,117 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:48:03,184 INFO L341 Elim1Store]: treesize reduction 33, result has 55.4 percent of original size [2019-08-31 03:48:03,185 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 177 treesize of output 182 [2019-08-31 03:48:03,186 INFO L496 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2019-08-31 03:48:03,597 WARN L188 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2019-08-31 03:48:03,598 INFO L567 ElimStorePlain]: treesize reduction 23, result has 92.6 percent of original size [2019-08-31 03:48:03,598 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 03:48:03,600 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 03:48:03,601 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:48:03,601 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 03:48:03,605 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:48:03,606 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:48:03,607 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:48:03,608 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:48:03,610 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:48:03,611 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:48:03,613 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:48:03,615 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 5 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2019-08-31 03:48:03,615 INFO L221 ElimStorePlain]: Needed 15 recursive calls to eliminate 9 variables, input treesize:361, output treesize:433 [2019-08-31 03:48:03,616 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:48:03,617 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:48:03,618 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:48:03,668 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:48:03,669 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 125 treesize of output 145 [2019-08-31 03:48:03,670 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 03:48:03,670 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:48:03,672 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:48:03,676 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:48:03,678 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:48:05,867 WARN L188 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 154 DAG size of output: 141 [2019-08-31 03:48:05,868 INFO L567 ElimStorePlain]: treesize reduction 260, result has 66.8 percent of original size [2019-08-31 03:48:05,869 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.sifa has thrown an exception: java.lang.AssertionError: no XNF at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:244) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:146) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.constructQuantifiedFormula(SymbolicTools.java:273) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:262) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:114) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:238) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:216) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.processIcfg(SifaObserver.java:80) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.process(SifaObserver.java:72) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-08-31 03:48:05,874 INFO L168 Benchmark]: Toolchain (without parser) took 35077.99 ms. Allocated memory was 134.2 MB in the beginning and 295.2 MB in the end (delta: 161.0 MB). Free memory was 89.2 MB in the beginning and 208.4 MB in the end (delta: -119.2 MB). Peak memory consumption was 41.8 MB. Max. memory is 7.1 GB. [2019-08-31 03:48:05,875 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 03:48:05,876 INFO L168 Benchmark]: CACSL2BoogieTranslator took 611.40 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 89.0 MB in the beginning and 165.5 MB in the end (delta: -76.6 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2019-08-31 03:48:05,876 INFO L168 Benchmark]: Boogie Preprocessor took 89.22 ms. Allocated memory is still 201.3 MB. Free memory was 165.5 MB in the beginning and 162.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-08-31 03:48:05,877 INFO L168 Benchmark]: RCFGBuilder took 684.73 ms. Allocated memory is still 201.3 MB. Free memory was 162.4 MB in the beginning and 116.0 MB in the end (delta: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 7.1 GB. [2019-08-31 03:48:05,878 INFO L168 Benchmark]: Sifa took 33688.60 ms. Allocated memory was 201.3 MB in the beginning and 295.2 MB in the end (delta: 93.8 MB). Free memory was 116.0 MB in the beginning and 208.4 MB in the end (delta: -92.3 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2019-08-31 03:48:05,882 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 611.40 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 89.0 MB in the beginning and 165.5 MB in the end (delta: -76.6 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.22 ms. Allocated memory is still 201.3 MB. Free memory was 165.5 MB in the beginning and 162.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 684.73 ms. Allocated memory is still 201.3 MB. Free memory was 162.4 MB in the beginning and 116.0 MB in the end (delta: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 7.1 GB. * Sifa took 33688.60 ms. Allocated memory was 201.3 MB in the beginning and 295.2 MB in the end (delta: 93.8 MB). Free memory was 116.0 MB in the beginning and 208.4 MB in the end (delta: -92.3 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - ExceptionOrErrorResult: AssertionError: no XNF de.uni_freiburg.informatik.ultimate.plugins.sifa: AssertionError: no XNF: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:244) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...